A 72-second narrowband radio signal received by Ohio State's Big Ear telescope in 1977. Astronomer Jerry Ehman circled the printout and wrote 'Wow!' in the margin. Never detected again.
A 72-second narrowband radio signal received by Ohio State's Big Ear telescope in 1977. Astronomer Jerry Ehman circled the printout and wrote 'Wow!' in the margin. Never detected again.